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generic: backport bcm63xx SPI reset fix

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Fixes SPI and HSSPI coexistance on bmips bcm6362 and bcm63268.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
2025-05-31 09:00:21 +02:00
parent 9716f89df6
commit ba1017bf74
4 changed files with 128 additions and 0 deletions
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32
target/linux/generic/backport-6.12/421-01-v6.16-spi-bcm63xx-spi-fix-shared-reset.patch Normal file
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@ -0,0 +1,32 @@
From 5ad20e3d8cfe3b2e42bbddc7e0ebaa74479bb589 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Thu, 29 May 2025 15:09:14 +0200
Subject: [PATCH] spi: bcm63xx-spi: fix shared reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some bmips SoCs (bcm6362, bcm63268) share the same SPI reset for both SPI
and HSSPI controllers, so reset shouldn't be exclusive.
Fixes: 38807adeaf1e ("spi: bcm63xx-spi: add reset support")
Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250529130915.2519590-2-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm63xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -523,7 +523,7 @@ static int bcm63xx_spi_probe(struct plat
return PTR_ERR(clk);
}
- reset = devm_reset_control_get_optional_exclusive(dev, NULL);
+ reset = devm_reset_control_get_optional_shared(dev, NULL);
if (IS_ERR(reset))
return PTR_ERR(reset);

32
target/linux/generic/backport-6.12/421-02-v6.16-spi-bcm63xx-hsspi-fix-shared-reset.patch Normal file
View File

@ -0,0 +1,32 @@
From 3d6d84c8f2f66d3fd6a43a1e2ce8e6b54c573960 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Thu, 29 May 2025 15:09:15 +0200
Subject: [PATCH] spi: bcm63xx-hsspi: fix shared reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some bmips SoCs (bcm6362, bcm63268) share the same SPI reset for both SPI
and HSSPI controllers, so reset shouldn't be exclusive.
Fixes: 0eeadddbf09a ("spi: bcm63xx-hsspi: add reset support")
Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250529130915.2519590-3-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm63xx-hsspi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -745,7 +745,7 @@ static int bcm63xx_hsspi_probe(struct pl
if (IS_ERR(clk))
return PTR_ERR(clk);
- reset = devm_reset_control_get_optional_exclusive(dev, NULL);
+ reset = devm_reset_control_get_optional_shared(dev, NULL);
if (IS_ERR(reset))
return PTR_ERR(reset);

32
target/linux/generic/backport-6.6/421-01-v6.16-spi-bcm63xx-spi-fix-shared-reset.patch Normal file
View File

@ -0,0 +1,32 @@
From 5ad20e3d8cfe3b2e42bbddc7e0ebaa74479bb589 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Thu, 29 May 2025 15:09:14 +0200
Subject: [PATCH] spi: bcm63xx-spi: fix shared reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some bmips SoCs (bcm6362, bcm63268) share the same SPI reset for both SPI
and HSSPI controllers, so reset shouldn't be exclusive.
Fixes: 38807adeaf1e ("spi: bcm63xx-spi: add reset support")
Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250529130915.2519590-2-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm63xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -523,7 +523,7 @@ static int bcm63xx_spi_probe(struct plat
return PTR_ERR(clk);
}
- reset = devm_reset_control_get_optional_exclusive(dev, NULL);
+ reset = devm_reset_control_get_optional_shared(dev, NULL);
if (IS_ERR(reset))
return PTR_ERR(reset);

32
target/linux/generic/backport-6.6/421-02-v6.16-spi-bcm63xx-hsspi-fix-shared-reset.patch Normal file
View File

@ -0,0 +1,32 @@
From 3d6d84c8f2f66d3fd6a43a1e2ce8e6b54c573960 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Thu, 29 May 2025 15:09:15 +0200
Subject: [PATCH] spi: bcm63xx-hsspi: fix shared reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Some bmips SoCs (bcm6362, bcm63268) share the same SPI reset for both SPI
and HSSPI controllers, so reset shouldn't be exclusive.
Fixes: 0eeadddbf09a ("spi: bcm63xx-hsspi: add reset support")
Reported-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250529130915.2519590-3-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/spi/spi-bcm63xx-hsspi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -745,7 +745,7 @@ static int bcm63xx_hsspi_probe(struct pl
if (IS_ERR(clk))
return PTR_ERR(clk);
- reset = devm_reset_control_get_optional_exclusive(dev, NULL);
+ reset = devm_reset_control_get_optional_shared(dev, NULL);
if (IS_ERR(reset))
return PTR_ERR(reset);